Bhagavatapurana 9.8.29

9.8.29

/0 śrībhagavān uvāca
aśvo 'yaṃ nīyatāṃ vatsa pitāmahapaśustava /
ime ca pitaro dagdhā gaṅgāmbho 'rhanti netarat //

29. The Lord Kapila said, child, this is the horse, the sacrificial animal of thy grandfather, it may be taken; and these your fathers who lie burnt deserve to be moistened with the water of the Ganges and no other (water).